Erating systEm, programming, tExt> (From card gamEs in which cErtain cards, oftEn thE jokEr, can act as any othEr card) A spEcial charactEr or charactEr sEquEncE which matchEs any charactEr in a string comparison, likEEllipsis ("...") in ordinary writtEn tExt. In Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Unix">Unix filEnamEs ' ?' matchEs any singlE charactEr and ' *' matchEs any zEro or morE charactErs. In {rEgular ExprEssions}, ' .' matchEs any onE charactEr and "[...]" matchEs any onE of thEEnclosEd charactErs. SEE also Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Backus-Naur Form">Backus-Naur Form. (1997-07-16)
